A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
This is the remix of "blue wave-seigaiha".The image depicts a seamless pattern of the front upper part of Japanese five yen coin which is used currently.This design represents a rice with ripe golden ears.
Source Yamachem
Sharp pixel pattern, just like the good old days.
Source Paridhi
Remixed from a JPG that was uploaded to Pixabay by susanlu4esm
Source Firkin
Inspired by a pattern found in 'A General History of Hampshire, or the County of Southampton, including the Isle of Wight', Bernard Woodwood, 1861
Source Firkin
One more from Badhon, sharp horizontal lines making an embossed paper feeling.
Source Badhon Ebrahim
Medium gray fabric pattern with 45-degree lines going across.
Source Atle Mo
Original minus the background
Source Firkin
From a drawing in 'At home', J. Sowerby, J. Crane and T. Frederick, 1881.
Source Firkin
The image depicts a Japanese Edo pattern called "kanoko or 鹿の子" meaning "fawn" which has a fur with small white spots.
Source Yamachem
Seamless pattern formed from a tile that can be had by selecting the rectangle in Inkscape and using shift-alt-i.
Source Firkin
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
Prismatic Triangular Background Design Mark II 5
Source GDJ
A grayscale fabric pattern with vertical lines of stitch holes.
Source V. Hartikainen
This was formed by distorting an image of a background on Pixabay.
Source Firkin
Colorful Floral Background 3 No Black
Source GDJ
Not even 1kb, but very stylish. Gray thin lines.
Source Struck Axiom
Dark wooden pattern, given the subtle treatment. based on texture from Cloaks. https://cloaks.deviantart.com
Source Atle Mo
Seamless Olive Green Web Background Image
Source V. Hartikainen
emixed from a JPG that was uploaded to Pixabay by Kyotime
Source Firkin